The Right of Way 217 



surprisingly fast, considering his size and 

 weight. 



Then all the tens of thousands of black 

 heads began bobbing rapidly in unison 

 with his, and the sound of their hoofs was 

 like the heaviest thunder. It made the 

 solid earth to tremble and quiver. It 

 raised a cloud of dust that finally hung 

 like a dark pall over the Thundering 

 Herd. 



As the herd increased its pace and the 

 excitement of the headlong gallop gripped 

 them, they became wild with this one idea 

 of flight, to gallop, and gallop to the ends 

 of the earth. Over or through anything 

 that was in their way. Unmindful of prec- 

 ipice or quagmire, of men's bullets or any 

 obstruction that he might put in their way. 

 Insensate, impervious to everything. A 

 battery of heavy artillery would hardly 

 have caused them to turn. 



Thus while Buck and Shep led the 



